Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Sheffield 1A?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,782 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Sheffield 1A?

The Sheffield 1A wears larger at 40mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Sheffield 1A?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Sheffield 1A.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Sheffield 1A?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Sheffield 1A uses the Seiko NH35A.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSheffield 1A

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

Sheffield 1A

diver-1a-40mm-white

MSRP $223

At a glance

11 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

1A40mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

1A—

Water Resistance

Ref. 5330 Diving Chronometer Date300m

1A200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

1A$223

Full specifications

Case

4 specs

Diameter

39mm

40mm

Thickness

12.2mm

12.8mm

Lug-to-Lug

46.5mm

46mm

Water Resistance

300m

200m

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

White/Blue

Lume

Super-LumiNova

Swiss blue lume

Movement

3 specs

Caliber

SoProd M100

Seiko NH35A

Power Reserve

42h

—

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$223

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Serica Ref. 5330 Diving Chronometer DatevsSheffield 1A

At a glance

Full specifications

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